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JPL Small-Body Database Browser
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71904 (2000 WB27)
Classification: Main-belt Asteroid          SPK-ID: 2071904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06969922586062494 5.3493e-08  
a 2.32982675658808 1.1263e-08 au
q 2.16743963526452 1.2366e-07 au
i 3.969175929018756 3.8791e-06 deg
node 269.5682341948846 8.6946e-05 deg
peri 254.0838630945834 9.2679e-05 deg
M 332.1174662006933 3.0905e-05 deg
tp 2458701.103619566805
(2019-Aug-05.60361957)
0.00011152 TDB
period 1298.924384158744
3.56
9.4193e-06
2.579e-08
d
yr
n .2771523919255362 2.0098e-09 deg/d
Q 2.492213877911639 1.2048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1998-02-25  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52989  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:35:35  

Additional Information
 Earth MOID = 1.17952 au 
 Jupiter MOID = 2.49773 au 
 T_jup = 3.565 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO381751  
diameter diameter 2.303 km 0.790 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71904 (2000 WB27)          Discovered 2000-Nov-26 by Yeung, W. K. Y. at Desert Beaver
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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